# False about anodontia :
A. May involve both the deciduous and the permanent dentition
B. In false anodontia, tooth doesn't undergo full development
C. may involve a single tooth
D. In total anodontia , all teeth are missing

# Turner's tooth is seen in :
A. enamel hypoplasia due to hypocalcemia
B. enamel hypoplasia due to birth injuries
C. enamel hypoplasia due to congenital syphilis
D. enamel hypoplasia due to local infection or local trauma

# All are true about supernumerary tooth except :
A. may have resemblance to normal teeth
B. distomolars does not resemble any other tooth
C. Mesiodens is the most common supernumerary tooth
D. more common in mandible

# A four year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals. This condition is called:
A. Dilaceration
B. Concrescence
C. Gemination
D. Fusion
# Nasolabial cyst is thought to arise from :
A. Remnants of cell rests of Serres
B. Remnants of cell rests of Malassez
C. Remnants of cell rests of embryonic lacrimal duct
D. Maxillary sinus lining epithelium

# Delayed eruption of at least part of the dentition is a recognized feature of all of the following except :
A. Rickets
B. Congenital hyperthyroidism
C. Cleidocranial dysplasia
D. Cherubism

# About geographic tongue, all are true except :
A. Lesions may be bilaterally symmetrical on tongue
B. No treatment is required
C. Is a precancerous condition
D. May be related to emotional stress

# Which of the following dental sequel is likely in child with a history of generalised growth failure (failure to thrive) in the first 6 months of life ?
A. Retrusive maxilla
B. Enamel hypoplasia
C. Retrusive mandible
D. Dentinogenesis imperfecta
# A 4 year old child has a normal complement of primary teeth, but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. This condition is most likely :
A. Neonatal hypoplasia
B. Amelogenesis imperfecta
C. Cleidocranial dysplasia
D. Dentinogenesis imperfecta

# A developmental abnormality characterized by the presence of fewer than the usual number of teeth is :
A. Anodontia
B. Oligodontia
C. Microdontia
D. Dens in dente

# Epstein pearls are cysts that arise from ?
A. Squamous tissue of the mucosa
B. Connective tissue of the mucosa
C. Rests of the Malassez
D. Dental Lamina

# A dens in dente is caused by :
A. An abnormal proliferation of pulp tissue
B. Denticle formation within the pulp tissue
C. A deep invagination of the enamel organ during formation
D. A supernumerary tooth bud enclaved within a normal tooth